Dasan H660RM 1.03-0022 Telnet/SSH /tmp/boa-temp Credentials credentials management

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Dasan H660RM 1.03-0022. Affected is an unknown function of the file /tmp/boa-temp of the component Telnet/SSH. Performing a manipulation results in credentials management (Credentials). This vulnerability is reported as CVE-2019-9976. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Dasan H660RM 1.03-0022. It has been classified as problematic. This affects some unknown processing of the file /tmp/boa-temp of the component Telnet/SSH. The manipulation with an unknown input leads to a credentials management vulnerability (Credentials). CWE is classifying the issue as CWE-255. This is going to have an impact on confidentiality. The summary by CVE is:

The Boa server configuration on DASAN H660RM devices with firmware 1.03-0022 logs POST data to the /tmp/boa-temp file, which allows logged-in users to read the credentials of administration web interface users.

The bug was discovered 03/25/2019. The weakness was disclosed 03/25/2019 by Krzysztof Burghardt as Multiple vulnerabilities in DASAN H660RM GPON router firmware as not defined mailinglist post (Bugtraq). It is possible to read the advisory at seclists.org. This vulnerability is uniquely identified as CVE-2019-9976 since 03/24/2019. It is possible to initiate the attack remotely. Required for exploitation is a authentication. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1552 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Further details are available at blog.burghardt.pl. The entries VDB-132745 and VDB-132746 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.6
VulDB Meta Temp Score: 6.5

VulDB Base Score: 4.3
VulDB Temp Score: 4.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Name: Credentials
Class: Credentials management / Credentials
CWE: CWE-255
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/24/2019 🔍
03/25/2019 +1 days 🔍
03/25/2019 +0 days 🔍
04/03/2019 +9 days 🔍
05/24/2020 +417 days 🔍

Sourcesinfo

Advisory: Multiple vulnerabilities in DASAN H660RM GPON router firmware
Researcher: Krzysztof Burghardt
Status: Not defined

CVE: CVE-2019-9976 (🔍)
GCVE (CVE): GCVE-0-2019-9976
GCVE (VulDB): GCVE-100-132747
Misc.: 🔍
See also: 🔍

Entryinfo

Created: 04/03/2019 11:13
Updated: 05/24/2020 07:12
Changes: 04/03/2019 11:13 (60), 05/24/2020 07:12 (3)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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